![['Close-up side view of a plate featuring juicy mustard beef with mushrooms.', 'A detailed image capturing mustard beef with sautéed mushrooms and red onions.', 'Juicy ground beef mixed with fresh Portobello mushrooms served on a plate.', 'Side view photo of a dish with mustard beef and mushrooms, garnished with parsley.']](https://tastykuche.com/wp-content/uploads/2026/06/mustard-beef-with-mushrooms_1_U1-1.webp)
Mustard Beef with Mushrooms
A hearty and flavorful dish combining ground beef, mushrooms, and a tangy mustard sauce, perfect for a satisfying meal.
Ingredients
Meat
- 455 g extra lean ground beef (do not use frozen)
Vegetables
- 225 g fresh baby Portobello mushrooms (or chestnut mushrooms)
- 2 red onions red onions (sliced finely)
Aromatics
- 3 cloves garlic (crushed)
Liquids
- 400 ml beef stock
- 80 ml beef stock for browning
Condiments & Spices
- 1 tablespoon wholegrain mustard
- 1 tablespoon arrowroot flour
- pinch dried thyme
- 1 tablespoon balsamic vinegar (good quality aged)
- 2 tablespoons tomato puree (paste)
Seasoning
- to taste salt and pepper (to season)
Garnish
- to serve fresh chopped Italian parsley (to serve)
Instructions
- Brown the ground beef in a pan with salt and pepper, then set aside.
- Sauté onions and garlic until softened, then add mushrooms and cook until caramelized.
- Return beef to pan, add thyme, tomato paste, balsamic vinegar, mustard, and stock; simmer for 20 minutes.
- Mix arrowroot with water and add to thicken the sauce, then cook briefly.
- Serve topped with parsley and your preferred sides.
Notes
Caramelizing the onions and mushrooms adds depth to the sauce. Use good quality balsamic vinegar for best flavor.